0, 1 st & 2 nd CONDITIONALS

0, 1 st & 2 nd CONDITIONALS

1. Structure : A conditional sentence is composed of 2 parts

   • IF-CLAUSE
   • MAIN-CLAUSE
   • Example: If it rains tomorrow, we will not come

2. Zero conditional: Present tense in both clauses. If you heat water 100c, it boils

   • Talk about universal truth. If you heat ice, it turns to water To give commands If you are tired, go to bed!
     • If you heat water 100c, it boils

3. First conditional: If-clause Present Tense. Main Clause Future Tense

   • To speak about possible or probable future events. To make promises or warnings Unless is used in negative conditionals

4. Second conditional: If-clause ~ Past Tense Main Clause ~ would + an infinitive

   • If-clause ~ Past Tense Main Clause ~ would + an infinitive
     • If he were a bird, he would fly across the harbour.